body {
	margin: 0 70px;
}

#top {
	display: block;
	/*border: 2px solid red;*/
	height: 70px;
	margin: 10px 0;
}

#logo {
	float: left;
	height: 70px;
}

#ad-section {
	float: right;
}

#badge {
	height: 30px;
}

#ad {
	border: 2px solid rgb(201, 236, 227);
	background: rgb(234, 255, 250);
	padding: 6px 0;
	position: relative;
}

.ad-item {
	display: inline-block;
	margin: 0 10px;
}

.clear {
	clear: both;
}

#nav {
	background: rgb(254, 105, 21);
	padding: 15px 25px;
	margin: 10px 0;
}

.nav-item {
	display: inline-block;
	color: white;
	margin: 0 20px;
}

#banner {
	margin: 10px 0;
}

#content {
	border: 3px solid rgb(198, 230, 162);
	margin: 10px 0;
	height: 350px;
	position: relative;
	padding: 90px 0 5px 0;
}

#book1, #book2, #book3 {
	position: relative;
}

#book-left, #book-right {
	width: 49.6%;
	height: 150px;
}

#book-left {
	float: left;
}

#book-right {
	float: right;
}

.book-title {
	color: blue
}

.book-price {
	color: darkred;
	display: inline;
}

.book-discount {
	color: lightgreen;
	display: inline;
}

#copyright {
	/*border: 2px solid red;*/
	text-align: center;
	margin: 0 0 10px 0;
}
